Analysts' Actions: BIG DVA PETM SCTY VAR

NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Aerovironment ( AVAV) was downgraded to hold at TheStreet Ratings.

Big Lots ( BIG) was upgraded from sell to hold, Deutsche Bank said. $35 price target. Near-term risks are off the table, Deutsche Bank said.

Big Lots ( BIG) was upgraded to buy at TheStreet Ratings.

Clean Harbors ( CLH) was upgraded from neutral to outperform, Robert Baird said. $61 price target. Valuation call, as the company lacks near-term negative catalysts, Robert Baird said.

DigitalGlobe ( DGI) was downgraded to hold, Benchmark said. $27 price target. Estimates also lowered, as the company lacks potential growth catalysts, Benchmark said.

Dril-Quip ( DRQ) was upgraded from underperform to buy, Bank of America/Merrill Lynch said. $101 price target. Company has good growth visibility over the next three years, Bank of America/Merrill Lynch said.

Davita ( DVA) was downgraded from buy to hold, Deutsche Bank said. Valuation call, based on a $130 price target, Deutsche Bank said.

Kirby ( KEX) was initiated with a market perform rating, Wells Fargo said. Valuation call, as the stock is already up 61% since July, Wells Fargo said.

Methanex ( MEOH) was downgraded to neutral, said UBS. The call is based on the recent run in the stock and valuation. Price target is now $39, said UBS.

PetSmart ( PETM) was downgraded from overweight to neutral, Piper Jaffray said. $68 price target. Earnings growth will likely decelerate, Piper Jaffray said.

Solarcity ( SCTY) was downgraded from buy to hold, Needham said. $18 price target. Deployment growth will likely slow down, Needham said.

Sandridge Energy ( SD) was downgraded from market perform to underperform, BMO Capital said. $4 price target. Stock will likely grind lower over the next six to 12 months, BMO Capital said.

Varian Medical ( VAR) was downgraded from neutral to sell, Goldman Sachs said. $79 price target. Consensus estimates now appear more reasonable, Goldman Sachs said.

MEMC Electronic ( WFR) was upgraded to buy, Goldman Sachs said. $6.50 price target. Company is attractive, on a sum-of-the-parts valuation, Goldman Sachs said.

STOCK COMMENTS/EPS CHANGES

American Eagle ( AEO) estimates for FY13 and FY14 were increased, said UBS. Expenses should deleverage in Q1, but overall leverage for the year and increased fashion mix should help gross margins, said UBS. Price target remains $23.

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